The established flower show always sells out and is attended by the Queen.

But the Chelsea Fringe Festival is growing fast. Only in its second year, it has doubled in size to more than 200 exhibitors and around 100,000 people are expected to attend the events around the whole of London.

The fringe is also getting backing from some prestigious names. The National Trust and Royal Botanic Gardens at Kew are involved this year and some of the country’s most well known garden designers.